Queen Cersei Lannister is a prominent character from the fantasy series A Song of Ice and Fire by George R.R. Martin, which was adapted into the television series Game of Thrones. She is known for her intelligence, ambition, and ruthless nature, often using manipulation to achieve her goals. As a member of the powerful Lannister family, she seeks to protect her children and maintain her family's influence in the Seven Kingdoms. Cersei's character is marked by her desire for power and her complex relationships with other characters, including her brother Jaime Lannister and her rival, Daenerys Targaryen. Throughout the series, she faces numerous challenges and adversaries, ultimately leading to her rise and fall in the quest for the Iron Throne.